For the most part, you can keep the command line. However, note that path specification is different in Linux (from that of Windows). Particularly, when you want to specify a CD-ROM device, you use the following option in Linux:
If you want to specify the path to an ISO image, remember to use forward slash instead of back-slash.
Because QEMU is a system installation on most Linux systems, you don’t need to specify where to find the BIOS files of the VM. As a result, you should remove the option “-L . ” (including the period).